66738962 has 8 divisors (see below), whose sum is σ = 104461056. Its totient is φ = 31918612.

The previous prime is 66738943. The next prime is 66738979. The reversal of 66738962 is 26983766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725378 + ... + 725469.

It is an arithmetic number, because the mean of its divisors is an integer number (13057632).

Almost surely, 2^66738962 is an apocalyptic number.

66738962 is a deficient number, since it is larger than the sum of its proper divisors (37722094).

66738962 is a wasteful number, since it uses less digits than its factorization.

66738962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450872.

The product of its digits is 653184, while the sum is 47.

The square root of 66738962 is about 8169.3917766257. The cubic root of 66738962 is about 405.6266516948.

The spelling of 66738962 in words is "sixty-six million, seven hundred thirty-eight thousand, nine hundred sixty-two".